Title : Optionnel

Text : Every student of Algebra learns the binomial theorem, or expression for the square of the sum of two quantities; but he does not reflect upon it, illustrate it, or perceive its every-day applications, and if asked to give the square of 21, will fail to see that he should be able to give the answer instantly without pencil or paper, by mental arithmetic alone. Chaque paragraphe sera un test.

Save test : Utilisez cette option si vous souhaitez partager ce test de dactylographie (uniquement pour les utilisateurs authentifiés).